Monterreal Castle is a castle

Castle

A castle is a type of fortified structure built in Europe and the Middle East during the Middle Ages by European nobility. Scholars debate the scope of the word castle, but usually consider it to be the private fortified residence of a lord or noble...

 in Ría de Vigo and the valley of Miño, Galicia, Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

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Monterreal Castle was constructed in the 16th century, and now serves as a tourist attraction. Three of the castles towers are preserved: the Reloj tower, the Tenaza tower with a heptagonal base and the Príncipe tower.
The first appearance of the castle in record dates from the year 60, when Julius Caesar

Julius Caesar

Gaius Julius Caesar was a Roman general and statesman and a distinguished writer of Latin prose. He played a critical role in the gradual transformation of the Roman Republic into the Roman Empire....

 conquered Baoina. Apart from the Romans

Ancient Rome

Ancient Rome was a thriving civilization that grew on the Italian Peninsula as early as the 8th century BC. Located along the Mediterranean Sea and centered on the city of Rome, it expanded to one of the largest empires in the ancient world....

, the Visigoths and Muslims also left their marks in the Monterreal Castle, whose name was given by the Catholic Monarchs

Catholic Monarchs

The Catholic Monarchs is the collective title used in history for Queen Isabella I of Castile and King Ferdinand II of Aragon. They were both from the House of Trastámara and were second cousins, being both descended from John I of Castile; they were given a papal dispensation to deal with...

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The Castle is defended by the Puerta del Sol, a ramp with a lifting bridge and the three large towers.